Решите неравенство 7х-3 >9х-8

Question

Решите неравенство 7х-3 >9х-8

Answer 1

7x-3 > 9x-8
7x-9x > 3-8
9x-7x < 8-3
2x < 5
x < 5/2
x < 2.5

Comments

7х-3>9x-8

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7x-3-9x+8>0

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-2x+8>0

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2x>-8/-2

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x>4

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а 3 куда дели?